ETHTOOL_A_LINKMODES_DUPLEX
nla_put_u8(skb, ETHTOOL_A_LINKMODES_DUPLEX, lsettings->duplex))
[ETHTOOL_A_LINKMODES_DUPLEX] = { .type = NLA_U8 },
req_duplex = tb[ETHTOOL_A_LINKMODES_DUPLEX];
ethnl_update_u8(&lsettings->duplex, tb[ETHTOOL_A_LINKMODES_DUPLEX],